odonnel is the worst I've seen... Hope for a breeze if you're pitting for a car using Odonnel because if you have to work on the car while its running...
... It stings so bad in the eyes and especially the olfactory region (nose
But I don't think you'll go blind from it... Otherwise there would be many racers of many different disciplines of racing without the use of sight because drag racers and other motor sports utilize nitro... You won't go blind.